The following vehicle illustrations are the types of power units that should be listed in Column 11 of the Schedule C:

TYPE VEHICLE	DEFINITION	PICTURE DESCRIPTION
Tractor (TR)1 Plate Issued	A motor vehicle designed and used primarily for drawing other vehicles, but not so constructed as to carry a load other than a part of the weight of the vehicles and load so drawn.
Truck (Single) (TK)2 Plates Issued	Every motor vehicle designed, used or maintained primarily for the transportation of property.
Truck Tractor (TT)1 Plate Issued	A motor vehicle designed and used primarily for drawing other vehicles but constructed as to carry a load other than a part of the weight of the vehicle and the load drawn.
Road Tractor (RT)1 Plate Issued	A motor vehicle designed and used for drawing other vehicles and not so constructed as to carry any load thereon either independently or any part of the weight of a vehicle or load so drawn.
Bus (BS)2 Plates Issued	Designed and used for transporting passengers
Wrecker (WK)(Tow Truck)2 Plates Issued	A motor vehicle which has been altered or designed and equipped for, and primarily used in the business of, transporting vehicles by means of a crane, hoist, tow bar, tow line, or dolly or is otherwise primarily used to render assistance  to other vehicles.
Pick-Up Truck (PU)2 Plates Issued	A motor truck with a manufacturer’s gross vehicle weight rating of less than 11,500 pounds, and unladen weight of less than 8,001 pounds, and which is equipped with an open box-type bed not exceeding 9 feet in length.  Pick-up truck does not include a motor vehicle otherwise meeting the above definition that is equipped with a bed-mounted storage compartment unit commonly called a “utility body.”
Unladen Weight (CVC. 660)	The “unladen weight” of a vehicle is the weight equipped and ready for operation on the road including the body, fenders, oil in motor, radiator full of water, with five gallons of gasoline or equivalent weight of other motor fuel; also equipment required by law, and unless exempted under CVC Section 661, any special cabinets, boxes or body parts permanently attached to the vehicle, and any machinery, equipment or attachment which is attendant to the efficient operation of the body or vehicle.  Unladen weight shall not include any load or any machinery or mechanical apparatus, such as, but not limited to, wood saws, well-drilling machines, spray apparatus, tow truck cranes, and grinding equipment.  The unladen weight of a vehicle shall have no application in determining any fee under this code or the RTC other than Section 9400.”
Declared Gross WeightOrGross Vehicle Weight	The weight that equals the total unladen weight of the vehicle plus the weight of the heaviest load that will be transported on the vehicle.
Declared Combined Gross WeightOrCombined Gross Vehicle Weight	The total unladen weight of the combination of vehicles (motor truck and trailer) plus the weight of the heaviest load that will be transported by the combination.